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post #1 of 12 (permalink) Old 02-21-2009, 09:18 PM Thread Starter
That rhythm is INFECTIOUS.

 
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Dead Head Unit?

Just re-took ownership of a 2001 Intrepid ES 3.2 - all the electricals seem ok except for the stereo. It's the factory premium Infinity system (multi-CD changer in-dash) with the steering wheel controls.

Head unit doesn't light up at all - no clock, nothing. I checked fuses - all intact. Other interior power points check out OK.

Is there a separate fuse on the wiring harness on the back of the radio maybe? I really hope it's something 'simple' like that. I'd have to have to try to replace that 2-piece in-dash unit.

Thanks!
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post #2 of 12 (permalink) Old 02-22-2009, 01:07 AM
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I had the same problem 2 months ago. Trust me when I tell you that it is dead. You could spend more time trying to find the problem but I already went trough that process. Your best off going to a junk yard and getting a new one or buying an aftermarket stereo.
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post #3 of 12 (permalink) Old 02-22-2009, 05:19 AM Thread Starter
That rhythm is INFECTIOUS.

 
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Well crap. Now I gotta go lookup how to pull that center console fascia out.

New radio goes on "the list" of maintenance now. Ugh.
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post #4 of 12 (permalink) Old 02-22-2009, 10:24 AM
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Quote:
Originally Posted by MrBigE View Post
Well crap. Now I gotta go lookup how to pull that center console fascia out.

New radio goes on "the list" of maintenance now. Ugh.
Put car in Neutral, set parking brake

Pull up shifter bezel, slide back an inch or two

Pull out center consol fascia

Disconnect track control and ATC/MTC connectors

Remove 4 screws that hold the radio in

Slide Radio forward, disconnect antenna and two plugs in the back

Reverse for re-install of replacement unit....

20 mins max?....

Welcome aboard/back by the way.... Westerville, huh? That still a DRY town? Or did they change that?
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post #5 of 12 (permalink) Old 02-22-2009, 11:08 AM Thread Starter
That rhythm is INFECTIOUS.

 
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Thanks for the lil' How-To! I'll do some minimal troubleshooting today probably.

Probably cheaper to replace the OEM head unit than buy/integrate a new one, from what I can tell!
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post #6 of 12 (permalink) Old 02-22-2009, 12:07 PM
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heads up though if you go with an OEM replacement unit: there was a change to the changer cable for the 2002+ units. Don't know though if the change was on the connector to the head unit or to the changer.... If you find a unit from a 98-01 car, you will be OK. If it is a 2002 or later model, you MIGHT need a different cable.... I'll let one of the specialist pipe up about it though..
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post #7 of 12 (permalink) Old 02-22-2009, 01:20 PM Thread Starter
That rhythm is INFECTIOUS.

 
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Originally Posted by chiefload View Post
Welcome aboard/back by the way.... Westerville, huh? That still a DRY town? Or did they change that?
I think that's pretty much gone by the wayside these days. But I don't shop in Westerville "proper" - where I live is Westerville mailing, but outside of the city. There are bars in uptown that serve though.
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post #8 of 12 (permalink) Old 02-22-2009, 01:22 PM Thread Starter
That rhythm is INFECTIOUS.

 
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Originally Posted by chiefload View Post
heads up though if you go with an OEM replacement unit: there was a change to the changer cable for the 2002+ units. Don't know though if the change was on the connector to the head unit or to the changer.... If you find a unit from a 98-01 car, you will be OK. If it is a 2002 or later model, you MIGHT need a different cable.... I'll let one of the specialist pipe up about it though..
Oh that's good info! I'll keep my eyes open for that.

Thanks!
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post #9 of 12 (permalink) Old 02-22-2009, 09:00 PM
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Eric,

See the recent post ‘Dodge Intrepid 2001 – Infinity I Sound System Flashing Lights Problem’ if you haven't already (I can’t post the URL because I don’t have 5 posts on the forum yet – sorry). We have the same car. Have you been able to determine your Radio/Cass unit’s Sales Code? It should be printed on the display’s face-plate under the Clock Setting (H/M) recessed buttons - mine's there and it’s RBB for the Infinity I system.

I'm assuming you've checked the 'Radio' fuse on the Junction Block on the left-hand side of the instrument panel. If not, the removable panel has the layout on it. I see you have 'nothing' on the Radio/Cass unit. Do the lights on your CD unit come on or are they out as well?

I've owned the car since new and have had only a few electrical issues. I was worried about the high number of 'Control Modules' the car has and it's PCI Communications Bus/Protocol complexity but after 8+ years I have to say I'm pretty satisfied.

The Transmission Control Module (TCM) was the first problem and that required the dealer - a big 'ouch!' if you're not under warranty (as I was by only 19 miles!). After that I had problems with the Stereo (mentioned in the link above), the Factory Anti-Theft System (Door Cylinder Lock Switches and a break in the Trunk Lock Cylinder Knockout Switch wiring) and the passenger Door Motor/Ajar Switch/Latch assembly - all of which I was able to fix at home w/parts.

One thing I will say is that the 2001 DamilerChrysler Corp. Factory Service Manual (FSM) for the car has the BEST electrical schematics I've seen. I've found some errors (some radiator mounted fan relays missing in the A/C circuits for example) but then I don't subscribe to Technical Service Bulletin Updates, so these issues may have been corrected in future editions. I always make the FSM a part of the deal for any new car I buy and DCC has definitely beaten what I've gotten from GM and Porsche with regards to electrics. GM wins in the 'mechanical' arena though - super detail.

Chiefload's 'how to' is spot on but I would suggest you disconnect you Negative Battery Terminal (at its remote location) first! I'd also add four things to his sixth step for your system (Infinity):

1) When you withdraw the Radio/Cass unit from the dash do this slowly - there's plenty of cable but it tends to 'hang-up' if you don't fiddle with it and you don't want to hurt the harness or stress the connectors. You’ll probably need to get your hand back in there once there’s room and ‘help’ things along.

2) You should also have a single wire PCI Bus interface connection to remove.

3) You should also have a braided copper wire ground strap to remove which requires a wrench. Save the ground strap's 'bolt' as it doesn't come with the AER replacement unit.

4) You will also need to remove the CD Unit's connection - it's of DIN design and, while tight, comes out with a firm, straight pull out from the back of the Radio/Cass unit.

As Chiefload states, the install is the reverse of all of this. Make sure you 'slowly' feed the various cables back into the dash to insure you don’t bind/stress anything. Re-connect the Batt's Ground cable and that should be all you need.

The Infinity I system I have has been one sweet system and I'm glad to have it working again. Hope you're in the same position soon!

Barry
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post #10 of 12 (permalink) Old 02-23-2009, 08:01 AM Thread Starter
That rhythm is INFECTIOUS.

 
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Barry-

I'll have to check for the RBB when I run out at lunch today - was kinda dark this morning when I left for work at 5am. :grlaugh:

I totally forgot about the battery location until yesterday when I changed out the amber turn signals up front - pulled the passenger headlight... Hello! What a horrible location for a battery.

First thing I did check were fuses - all good. No lights on the CD changer or anything. I'm hoping that I can just swap out the head unit - found a few for less than $50. I suspect mine may be one of those prone to power supply failures. Won't know until I pull it and run the numbers.
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post #11 of 12 (permalink) Old 02-23-2009, 07:51 PM Thread Starter
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Quote:
Originally Posted by Barry A. Waters View Post
Eric,

See the recent post ‘Dodge Intrepid 2001 – Infinity I Sound System Flashing Lights Problem’ if you haven't already (I can’t post the URL because I don’t have 5 posts on the forum yet – sorry). We have the same car. Have you been able to determine your Radio/Cass unit’s Sales Code? It should be printed on the display’s face-plate under the Clock Setting (H/M) recessed buttons - mine's there and it’s RBB for the Infinity I system.

Barry
Yep - I've got the Infinity I system, it appears. I have the RBB where you indicated.

That should help me find the proper replacement head unit! Thanks!
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post #12 of 12 (permalink) Old 03-01-2009, 10:17 PM
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Eric,

Looks like you're 'homing in' on your issue. DO be careful about a used/non-refurbed replacement. You could just get another 'blinking light' RBB problem child and there are many such units out there.

Also be sure that you source any after-market replacement (I know of none but I'm not an expert on what's available) with regards to its compatibility with the following - each of them is CRITICAL:

1) PCI Bus Interface compatibility.

2) CD Changer unit wiring compatibility.

3) Infinity Amplifier wiring compatibility.

4) Any OTHER wiring compatibility issues related to your model year car and the Infinity System you have.

I'd think that your issue would best be served by 'biting the bullet' and doing the refurb deal with Dodge. If you can find a good used RBB unit, or a truly compatible after-market unit, then you could save some bucks - just be careful as you have a lot at stake!

There are many folks out there that will be more than happy to sell you their stuff and vanish when it doesn't work - and that's after their stuff blows your PCI Bus, Amp or CD Changer!

I've dealt with many electrical related issues on various subjects in the past and when it comes to replacing an item in a multi-component system (as the Infinity system is) it is always best to just 'go with the flow' and get something that is designed from the start to work with the system!

Good Luck!

Barry
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